On Fri, Nov 07, 2008 at 01:09:48PM -0500, Ric Wheeler wrote: > > I don't think that trim bugs should be that common - we just have to be > very careful never to send down a trim for any uncommitted block. > The trim code probably deserves a very aggressive unit test to make sure it works correctly, but yeah, we should be able to control any trim bugs. > Simple is always good, but I still think that the coalescing (even basic > coalescing) will be a critical performance feature. Will we be able to query the device and find out its TRIM/UNMAP alignment requirements? There is also a balanace between performance (at least if the concern is sending too many separate TRIM commands) and giving the SSD more flexibility in its wear-leveling allocation decisions by sending TRIM commands sooner rather than later. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
